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03-03-2018
Physics

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Answer key says b but i think it is false please help me

Answer key says b but i think it is false please help me class=

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laurawinter1p43zv5 laurawinter1p43zv5

03-03-2018

Energy in a spring:

E = 0.5 * k * x²

k spring constant = 800 n/m
x stretch of the spring = 5 cm = 0.05 m

E = 0.5 * 800 * 0.05² = 1

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